HOAT DONG KHOA HOC VA CONG NGHE
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KET QUA THUC HIEN DU AN "UNG DUNG TIEN BO KY THUAT HOAN THIEN OUY TRINH KY THUAT TRONG
BUdl NAM ROI GIAI DOAN
T R U 6 N GTHANH"
• DANG THI KIM TUYEN
Phon^ Qudn ly KH&CN, Sd KH&CN Soc Trang (Tong hap)
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irdi Nam Roi la cay an trai chinh cua huyen Ke' Sach, A\i6c trong phd bien d ta't ca cac xa, thi tran trong huyen. Dien tich trong bifdi d huyen Ke Sach nam 2009 la 2.850 ha, chiem 75%dien tich trong budi cua tinh. Dae biet, bi/di Nam Roi Ke Thanh da dat nhieu giai thu'dng cao trong cac hoi thi trai cay ngon va da du'dc dang ky nhan hieu. Tuy nhien, trong thifc te, ky thuat canh tac bu'di chii ye'u difa tren kinh nghiem truyen thong ciia nha vu'cin nen chifa phat buy het tiem nang nang suat va chat krong trai bu'di.
Vi vay, nam 2005 Phong Kinh te (nay la Phong Nong nghiep va Phat trien nong thon) huyen Ke Sach phoi hdp vcfi Khoa Nong n g h i e p va Sinh hoc U n g d u n g , Tru'dng Dai hoc Can Thd thiTc hien dii" an
"Ung dung tien bo ky thuqt hoan thien quy tnnh ky thugt trong budi Nam Roi giai (loan trudng thanh" tif nguon kinh phi sir nghiep khoa hoc va cong nghe tinh.
DLI" an du'dc thifc hien tai hai xa Ke Thanh va Ke An, huyen Ke Sach. Day la dia diem c6 261 ha trong bifcii Nam Roi, chiem 27% dien tich dat vu'cfn ciia hai xa.
Sau 03 nam thifc hien, ket qua thyc hien dLf an cho thay:
- Bien phdp phdng trii benh vdng Id gdn xanh: Phat hien kip thdi va cat tia canh bi nhiem sau benh, dac biet la benh vang la gan xanh; phun thuoc phong truf ray Chdng Canh khi la con non, bon phan day du, can ddi la cac bien phap tdng hdp da giup loai trCi' du'dc benh vang la gan xanh. Nhd do vu'dn bu'di cho hieu qua cao va lau dai hdn.
Hinh 1. Benh vang la gan xanh do vi khuan Liberobacter asiaticum ghi nhan du'dc tai vu'dn Nguyin Ngoc Quang (ap sd 1, xa Ke An, huyen Ke Sach) nam 2006.
Ihon^ tin Khoa hyc va Cong nghe tinh Soc Trang Trang I
HOAT DONG KHOA HOC VA CONG NGHE
- Bien phdp bon phdn hUu ca: Su' dung phan hiJu cd giup cho dat tdi xo'p hdn, da't khong bi dong vang trong miia mu'a, cay khoe hdn, it bi benh vang la thol re, cho'ng chiu benh vang la gan xanh to^t hdn. Ket qua thifc te da giup nha vu'dn chap nhan su' dung phan hiJu cd la bien phap ma tru'dc day nong dan it quan tarn.
- Bien phdp xvt ly ra hoa mua nghich:
Ky thuat xu" ly ra hoa bu'di mua nghich bang Paclobutrazol d nong do l.OOOppm, phun chat kich thich trd bong bang thio- urea nong dp 0,3% lam ti le ra hoa tang so vdi cay khong ap dung.
Hinh 2. Hoa bu'di nd ro sau 40 ngay xu" ly Paclobutrazol tai vu'dn ong Huynh Van Xuyen (ap Cau Chiia, xa Ke An, huyen Ke Sach) nam 2007.
- Bien phdp hqn che rung trdi non: Su' diang chat dieu hoa sinh tru'dng GA3 vdi nong do 5-20ppm nham han che hien tu'dng rung trai non, giup nha vu'dn chii dong rai vu de tao ra san lufdng bu'di on dinh cung cap thUdng xuyen cho thi
ITmh 3. Trai tren cay sau khi xiJ ly ra hoa miia nghich va phun GA3 giam rung trai non tai vu'dn ong Huynh Van Xuyen nam 2007.
tru'dng. Bien phap nay phu hdp vdi mpi quy mo dien tich vu'dn bu'di.
- Bien phdp nang cao phdm chat trdi:
Phun Ca(N0,)2 va KNO3 dat hieu qua cao vi da lam cho trai c6 mau sac dep hdn, gia tang do Brix 18% so vdi cay khong
Hinh 4. Trai thu hoach cd xu" ly Ca(NO,), 0,1% va KNO, \% CO mau sdc tu'di va vang hdn ddi chiJng, tai vu'dn ong Doan Minh Sc!
(ap Kinh GiiJa 2, xa Ke An, huyen Ke Sach).
Trans 2 Thong tin Khoa hoc va Cong nghe tinh Soc Trang
HOAT DONG KHOA HOC VA CONG NGHE
phun, lam cho trai ngot hdn, mau sac trai dep, giiip trai bu'di canh tranh tot hdn d thi tru'dng trong va ngoai ni/dc.
Tac dong tdng hdp cua cac bien phap ky thuat da giup cho cay phat trien tot, giam ty le rung trai non va tang pham chat trai da lam cho nang suat cao hdn so vdi cay khong ap dung len de'n 77,5%, pham cha't ngon hdn va ban du'dc gia cao hdn. Tijf do Idi nhuan mang lai cao hdn la
107.647.000 dong/ha (tang 72,48%) so vdi khong ap dung.
Ket qua dat du'dc cua dif an ve 5 bien phap ifng dung ky thuat trong biCdi Nam Roi, da giiip nha vu'dn hoan chinh quy trinh canh tac bu'di, hien mo hinh da du'dc nhan rong ra cac xa trong huyen Ke Sach, la nen tang de nhan hieu bu'di Nam Roi Ke' Thanh du'dc cung CO va nang cao; tao cd sd de huyen Ke Sach ap dung tieu chuan VietGAP trong thdi gian sap tdi •
CONG T A C qUAN LY AN T O A N BUfC XA
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nm 2009
• N G U Y I N THI YEN LOAN
Phong SHTT, ATBX&TT-Sd KH&CN ST
T
^ong nhiJng nam gan day, boat dong ufng dung bvlc xa trong san xuat kinh doanh phat trien manh. Tinh den cudi nam 2009, so' lifdng cac cd sd X-quang y te tren dia ban tinh la 25 cd sd chii ye'u la chan doan benh trong y te. Viec tang manh cac boat dong iJng dung biJc xa trong ddi song xa hoi da dat ra cho cd quan quan ly nha nifdc ve an toan bufc xa (ATBX) nhiJug trach nhiem to Idn. Qua thanh tra ve ATBX nam 2009 cho thay: sd cd sd du'dc thanh tra/kiem tra la 17 cd sd, chiem 68% tdng sd cd sd biJc xa. So'cd sd vi pham phat hien 13 cd sd, chiem ty le 76,5% so' cd sd difdc thanh tra. Cac vi pham du'dc phat hien chu ye'u tap trung vao cac hanh vi ve thu tuc hanh chinh nhu': vi pham quy dinh ve khai bao, giay phep boat dong biJc xa, cac quy dinh ve dam bao an toan nhu" quy dinh ve du'dc dao tao kie'n thiJc ve ATBX, td chiJc theo doi lieu xa ca nhan, kham site khde dinh ky, trang bi dung cu, thie't bi bao ho biJc xa cho ngifdi su" dung thie't bi biJc xa, dinh ky kiem tra chat lifdng thie't bi biJc xa dCing trong kham chGa benh... doan da lap bien ban nhac nhd cac cd sd vi pham.rhong tin Khoa hoc va Cong nghe tinh Soc Trang Trang 3
